Security readout for executives and security teams
Plain-English summary
Delta Electronics DOPSoft 2 can be compromised if a user opens a malicious project file. Successful exploitation could run code with that user's privileges. CISA lists this CVE in KEV, so treat it as actively exploited, but the bundle does not provide exploit details.
Executive priority
Prioritize remediation for engineering environments using DOPSoft 2 because known exploitation plus possible code execution creates operational risk, even though user interaction is required.
Technical view
DOPSoft 2 version 2.00.07 and prior lacks proper validation when parsing specific project files, causing multiple out-of-bounds writes. The CVSS 3.1 vector is local, low complexity, no privileges required, and user interaction required, with high confidentiality, integrity, and availability impact.
Likely exposure
Exposure is most likely on engineering or operations workstations using Delta Electronics DOPSoft 2, especially version 2.00.07 and prior. This is file-driven exposure, not a network service exposure, based on the provided CVSS vector and description.
Exploitation context
CISA KEV status supports known exploitation. The provided sources do not describe exploitation scale, targets, public exploit availability, or specific delivery methods beyond malicious or crafted project-file parsing requiring user interaction.
Researcher notes
Evidence supports CWE-787 out-of-bounds write during project-file parsing and code execution in the current process. The bundle does not name a patch version, mitigation text, or exploit mechanics, so remediation should be tied to current Delta or CISA guidance.
Mitigation direction
- Inventory DOPSoft 2 installations and versions across engineering systems.
- Check Delta and CISA guidance for supported updates or mitigations.
- Restrict opening DOPSoft project files from untrusted sources.
- Apply least privilege for users running engineering workstation software.
- Review file-transfer paths used for HMI project files.
Validation and detection
- Confirm whether DOPSoft 2 version 2.00.07 or prior is installed.
- Identify users and hosts that open DOPSoft project files.
- Review endpoint alerts around DOPSoft process launches and crashes.
- Check whether vendor guidance has been applied to affected systems.
- Validate controls preventing untrusted project files reaching operators.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-787: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2021-38406 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 7.8 (3.1)
- Known Exploited
- Yes
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CISA KEV status
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H1.85.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.8HighVector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://us-cert.cisa.gov/ics/advisories/icsa-21-252-02CVE reference · x_refsource_MISC
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-38406CVE reference · government-resource
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Out-of-bounds Write
Out-of-bounds Write represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.